Home / 446,181.40-669,272.10-426,827.80

Finding the Fourth Proportional to 446,181.40, 669,272.10 and 426,827.80

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Solution

The fourth proportional to 446,181.40, 669,272.10 and 426,827.80 is: 640,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,181.40 : 669,272.10 = 426,827.80 : x
  2. Step 2: Convert to fraction form
    446,181.40/669,272.10 = 426,827.80/x
  3. Step 3: Cross multiply
    446,181.40x = 669,272.10 × 426,827.80
  4. Step 4: Simplify right side
    446,181.40x = 285,663,938,044.38
  5. Step 5: Solve for x
    x = 285,663,938,044.38/446,181.40
  6. Step 6: Final answer
    x = 640,241.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.